This technology works with third party components and many variables. You can reduce amount of misunderstanding (for you and others) by providing and following clear and exact steps. Do not assume or simplify what seems obvious, duplicated or unnecessary.
When you read documentation, and things don’t work:
Do the same when you write a report about a potential issue.
Have Firefox and Selenium IDE that are supported by current SeLite. See Overview > Compatibility. Get current versions of all SeLite add-ons - as per [Components(Components) > Latest releases. (If you only get add-ons that you need, you may not be able to run packaged scripts). For unreleased functionality use Components > Cutting edge.
Check whether packaged Selenium extensions start correctly: Open Selenium IDE > menu Options > Options… > Plugins. Verify that each plugin is enabled and with no error message (in red). If there is an error, inspect Browser Console. (That screen doesn’t show error details in SeleniumIDEtips > auxiliary Selenium IDEs inside browser.) TODO centralise with DevelopmentTools.
By default, Selenium IDE disables plugins that fail on start, and it keeps them disabled on subsequent restarts of Selenium IDE. That’s even if the problems get resolved - Selenium IDE won’t load such plugins, until you enable them. So you may want to disable that in the options above. See also DevelopmentTools > Selenium IDE settings.
This may help you to figure out the issue yourself. Even if you don’t solve it, you’ll have collected information that will assist others to help you. In order to locate the issue you need to (as applicable)
.htmlpage(s), simplified as much as possible
typeRandom) with their Selenium alternatives and see whether your locators work.
If Selenium IDE log doesn’t give much information about the problem, you need a log from Firefox itself. Visit Firefox URL about:config. Set preference
true (by double-clicking). Restart Firefox and go to its menu > Tools > Web Developer > Browser Console. Does it show any errors or warnings? Re-check the console after you start Selenium IDE and when you run scripts.
If you don’t want to modify your existing Firefox profile, create a new one (with no spaces in its name). Enable Browser Console. Add any necessary non-SeLite extensions, until the problem appears. Alternatively, you could also duplicate the existing profile (which is stored as a folder) and narrow down the problem in that copy.
If you use Components > Cutting edge, it also gives you PackagedScripts. Otherwise get the scripts from SeLite source as per InstallFromSource.
Disable all Selenium extensions other than ones supported by SeLite. Run scripts as per PackagedScripts. Then enable other Selenium extensions and see if they break the scripts.
If the cause is in Firefox, Selenium IDE or a third party component, submit a report in the respective bug tracking system (see also ThirdPartyIssues). If the third party confirms the problem and it is likely to affect other SeLite users, report it to SeLite, too, so that its admins add a link to that issue to ThirdPartyIssues. Then other users can star it (vote for it), which could motivate the third party to solve your problem.
If the problem is not caused by third party or custom extensions, you have something to report. Follow ReportingIssues.